16405540154 has 16 divisors (see below), whose sum is σ = 24786978048. Its totient is φ = 8143420032.

The previous prime is 16405540147. The next prime is 16405540157. The reversal of 16405540154 is 45104550461.

It is not an unprimeable number, because it can be changed into a prime (16405540157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109079 + ... + 211445.

It is an arithmetic number, because the mean of its divisors is an integer number (1549186128).

Almost surely, 2^16405540154 is an apocalyptic number.

16405540154 is a deficient number, since it is larger than the sum of its proper divisors (8381437894).

16405540154 is a wasteful number, since it uses less digits than its factorization.

16405540154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102949.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 16405540154 in words is "sixteen billion, four hundred five million, five hundred forty thousand, one hundred fifty-four".